This Ohio State website provides an introduction to the principles of quantum mechanics as a supplement to the "discussion of hydrogen and many-electron orbitals commonly found in general chemistry text books." Users...

This web page illustrates the motion of a quantum wavepacket, using 3D animations. Basic concepts and phenomena are shown using simulations rather than complex mathematics, although the functional forms of the states...

The T-2 Nuclear Information Service Web Site is presented by Los Alamos National Laboratory, which is operated by the University of California for the US Department of Energy. The site "concentrates on nuclear modeling,...

Hosted by the National Institute of Standards and Technology (NIST), this article by W. Martin and W. Wiese introduces the basics of atomic structure and spectra. With regard to structure, there is an emphasis on...